Evaluation of carbon tetrafluoride as a xenon surrogate for underground gas transport

被引：5
|
作者：
Byers, Margaret F. [1 ]
Paul, Matthew J. [1 ,4 ]
Haas, Derek A. [1 ]
Biegalski, Steven R. [1 ,2 ,3 ]
De Luna, Brandon A. [1 ]
Barth, Brianna S. [1 ]
机构：
[1] Univ Texas Austin, Nucl Engn Teaching Lab, 10100 Burnet Rd,Bldg 159, Austin, TX 78758 USA
[2] Georgia Inst Technol, Nucl & Radiol Engn Program, 770 State St, Atlanta, GA 30332 USA
[3] Georgia Inst Technol, Med Phys Program, 770 State St, Atlanta, GA 30332 USA
[4] Sandia Natl Labs, POB 5800 Mail Stop 1033, Albuquerque, NM 87185 USA
来源：
JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY | 2018年 / 318卷 / 01期
关键词：
Radioxenon; Advective transport; Nuclear explosion monitoring; Gas migration tracers;
D O I：
10.1007/s10967-018-6135-3
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Detection of radioxenon is a critical component of underground nuclear explosion monitoring. Sulfur hexafluoride (SF6) has historically served as a Xe tracer. This work explores the use of carbon tetrafluoride (CF4) as an alternative for field tests given its general suitability as a tracer and reduced greenhouse gas potential compared to SF6. Gas Chromatography-Mass Spectrometry measurements characterized the diffusive behavior of CF4 in a 2-bulb apparatus to determine how well int approximates Xe. The measured diffusion coefficient of SF6 was 78% of that of Xe, agreeing with literature values, while CF4 diffused at 97% the rate of Xe.
引用
收藏
页码：465 / 470
页数：6
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